20 POINTS // A dog groomer charges a total price that is dependent on the weight of the dog. The function f(x), representing the grooming fee, in terms of weight, x, is modeled below.

F of x equals 20 if 0 is less than x is less than or equal to 10 and 30 if 10 is less x is less than or equal to 30 and 40 plus 2 times the quantity x minus 30 if x is greater than 30.

Determine the grooming cost for a 50-pound dog.

$20
$30
$80
$100